题目

2010年3月份,某市市区一周空气质量报告中某项污染指数的数据是:31,35,31,34,30,32,31,这组数据的中位数、众数分别是() A . 32,31 B . 31,32 C . 31,31 D . 32,35 答案:CHe turned on the channel, only ____that the football match between China and Iraq was over. A.finding           B.to find            C.having found       D.to be found
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